"Presbyopia" yog hais txog qhov nyuaj ntawm kev siv lub qhov muag nyob ze ntawm ib lub hnub nyoog. Qhov no yog qhov tshwm sim ntawm kev laus ntawm tib neeg lub cev ua haujlwm. Qhov tshwm sim no tshwm sim nyob rau hauv feem ntau cov neeg nyob ib ncig ntawm lub hnub nyoog ntawm 40-45. Lub qhov muag yuav hnov tias cov ntawv sau me me yog qhov muag plooj. Koj yuav tsum tuav lub xov tooj ntawm tes thiab cov ntawv xov xwm nyob deb kom pom cov ntawv sau kom meej. Nws yog qhov pom tseeb dua kom pom cov khoom nyob rau hauv rooj plaub ntawm lub teeb txaus. Qhov kev ncua deb saib ntawm lub xov tooj ntawm tes yuav ntev dua thiab ntev dua nrog lub hnub nyoog.
Thaum presbyopia tshwm sim, peb yuav tsum hnav ib nkawm tsom iav nyeem ntawv rau peb lub qhov muag kom txo tau qhov pom kev qaug zog. Peb yuav tsum xaiv li cas thaum peb yuav tsom iav nyeem ntawv thawj zaug?
- 1.Lub lens zoo yuav tsum yog qhov dav. Vim muaj kev sib koom ua ke ntawm presbyopia thaum nyob ze ntawm lub zeem muag thiab kev nyeem ntawv thiab kev sau ntawv, qhov muag pom ntawm ib lub qhov muag yuav tsum tau txav mus rau hauv qab thiab 2.5 hli sab hauv thaum lub lens nyob deb (head-up). Thaum saib lub taub hau, cov tub ntxhais kawm feem ntau yog saum toj thiab hauv qab ntawm qhov nruab nrab ntawm daim ntawv duab, yog li kom cov tsom iav nyeem kom muaj qhov pom kev txaus, daim ntawv duab yuav tsum ua kom tau raws li qhov yuav tsum tau ua kom qhov siab thiab qis qis yuav tsum siab dua 30mm, tsis yog qhov me me ntawm daim ntawv zoo, qhov zoo dua. Cov yeeb yaj kiab nqaim hauv 25mm nce thiab nqis yog feem ntau txav tau yooj yim, thiab nws yog siv rau kev ntxiv ib ntus ntawm kev pom.
- 2.Lub hauv ntej ntawm lub tsom iav yuav tsum dav dua, tab sis OCD (kab rov tav nrug ntawm qhov chaw kho qhov muag) yuav tsum me dua. Txij li cov neeg siv cov tsom iav nyeem ntawv yog cov hnub nyoog nruab nrab thiab siab dua, nrog lub ntsej muag plump, kab rov tav loj ntawm cov tsom iav nyeem feem ntau yog 10 hli loj dua li ntawm cov duab kho qhov muag, tab sis qhov ze-pupillary nrug yog 5 hli me dua qhov kev ncua deb-pupillary, yog li tus nqi OCD ntawm cov poj niam feem ntau yuav tsum yog 58-61 hli, Cov txiv neej yuav tsum nyob ib ncig ntawm 64 mus rau 61 hli. lub lens loj dua thiab muaj qhov chaw kho qhov muag loj dua sab hauv lub zog thaum ua lub lens.
- 3.Cov tsom iav nyeem ntawv yuav tsum muaj zog thiab ruaj khov. Presbyopic tsom iav yog cov tsom iav uas siv ze. Txoj cai ntawm kev siv qhov muag rau presbyopia yog tias txij li hnub nyoog 40 (+ 1.00D, lossis 100 degrees) ntawm qhov kev nyeem ntawv, nws yuav tsum tau ntxiv los ntawm +0.50D (uas yog, 50 degrees) txhua 5 xyoos. Ntxiv mus, qhov zaus ntawm kev tshem tawm thiab hnav thaum siv yog kaum ob lub sijhawm ntawm cov tsom iav myopia, yog li cov khoom ntawm cov iav nyeem yuav tsum muaj cov ntaub ntawv muaj zog lossis cov ntaub ntawv elastic. Kev tiv thaiv corrosion thiab tiv thaiv khawb ntawm electroplating yuav tsum zoo heev, thiab cov txheej txheem hardening ntawm lub lens yuav tsum zoo. Feem ntau hais lus, nws yuav tsum tau lav tias nws yuav tsis raug deformed, xeb, lossis rubbed hauv 2 xyoos ntawm kev siv. Qhov tseeb, nyob rau hauv cov ntsiab lus no, cov kev xav tau rau cov iav presbyopic zoo yog siab dua cov iav tsom iav ntawm tib qib.
Hom tsom iav presbyopia zoo li cas los xaiv yog qhov tseem ceeb heev rau cov neeg uas hnav tsom iav thawj zaug, vim hais tias txhua tus neeg muaj qhov sib txawv ntawm tus kheej, xws li qhov siab sib txawv, caj npab ntev, qhov muag cwj pwm, thiab qib ntawm presbyopia ntawm lub qhov muag txawv. Lub presbyopia ntawm lub qhov muag sab laug thiab sab xis Qhov degree kuj yuav txawv, thiab qee cov neeg muaj teeb meem tsis pom kev xws li hyperopia, ze ze, thiab astigmatism tib lub sij hawm raws li presbyopia. Yog tias koj hnav cov tsom iav nyeem ntawv uas tsis haum rau koj lub qhov muag ntev, tsis tsuas yog nws yuav tsis daws qhov teeb meem, tab sis kuj yuav ua rau muaj teeb meem xws li qhov muag o thiab mob taub hau. Yog li ntawd, thaum muaj teeb meem ntawm presbyopia tshwm sim, peb yuav tsum xub mus rau lub chaw kho mob ophthalmology lossis khw muag khoom kho qhov muag, thiab thaum kawg xaiv cov iav presbyopia haum raws li peb tus kheej qhov xwm txheej.
Yog tias koj xav paub ntau ntxiv txog tsom iav zam tiam sis thiab kev sib tham hauv kev lag luam, thov mus saib peb lub vev xaib thiab tiv tauj peb txhua lub sijhawm.
Post lub sij hawm: Lub Xya hli ntuj-19-2023